<!DOCTYPE html>
<html>
<head>
<style id="s"></style>
<script type="text/javascript">

// Duplicates the string 2^n times
function exp(s, n)
{
  for (var i = 0; i < n; ++i)
    s += s;
  return s;
}

var stylesheet = exp("/**/", 20);
document.getElementById("s").textContent = stylesheet;

</script>
</head>
<body>
<div></div>
</body>
</html>
